<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>

  <body>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>

    <div id="app">{{message}}</div>

    <script>
      var jspang = Vue.extend({
        template: `<p>{{message}}</p>`,
        data: function () {
          return {
            message: "Hello ,I am JSPang",
          };
        },
      });
      var vm = new jspang().$mount("#app");
    </script>
  </body>
</html>
